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Technical Specifications
Product Overview
Metallurgical Characteristics
ETD 150 features a fine-grained tempered martensitic microstructure achieved through controlled quenching and tempering processes. The optimized alloy composition with chromium, nickel, and molybdenum additions provides enhanced hardenability and improved mechanical properties. The refined grain structure ensures excellent strength-toughness balance essential for structural applications.
Heat Treatment Process
MetalZenith employs controlled austenitizing at 850-900°C followed by water quenching and tempering at 580-620°C. This precise heat treatment cycle ensures optimal mechanical properties while maintaining excellent weldability and formability characteristics required for structural fabrication.
Manufacturing Process
Our ETD 150 production utilizes electric arc furnace melting with secondary refining, continuous casting, and controlled rolling processes. Advanced quality control includes real-time temperature monitoring, ultrasonic testing, and comprehensive mechanical property verification to ensure consistent structural performance.
Structural Quality Testing
MetalZenith conducts extensive testing specific to structural applications including weldability assessment per AWS D1.1, forming performance evaluation, fatigue strength testing under cyclic loading, and atmospheric corrosion resistance testing. These specialized tests ensure optimal performance in construction and engineering environments.
Application Engineering
For building construction, ETD 150 provides excellent strength-to-weight ratio enabling lighter structural designs. In bridge engineering, superior fatigue resistance ensures long-term durability under dynamic loading. For machinery manufacturing, excellent machinability and weldability facilitate complex fabrication. In vehicle construction, high strength enables weight reduction while maintaining safety standards. General engineering applications benefit from versatile forming capabilities and reliable mechanical properties.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 - 0.23 |
| Manganese (Mn) | 1.20 - 1.65 |
| Silicon (Si) | 0.15 - 0.40 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 0.30 - 0.65 |
| Nickel (Ni) | 0.25 - 0.50 |
| Molybdenum (Mo) | 0.15 - 0.25 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 550 |
| Tensile Strength (MPa) | 650 - 850 |
| Elongation (%) | ≥ 18 |
| Impact Energy at 0°C (J) | ≥ 35 |
| Hardness (HB) | 180 - 250 |
| Fatigue Strength (MPa) | 280 - 320 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1480 - 1520 |
| Thermal Conductivity (W/m·K) | 42.5 |
| Thermal Expansion (×10??/K) | 11.8 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Beams, Channels, Angles, Bars, Tubes |
| Thickness Range | 8 - 150mm |
| Width Range | 1200 - 3500mm |
| Length Range | 6000 - 15000mm |
| Standards Compliance | ASTM A572, EN 10025-6, JIS G3106 |
| Heat Treatment Condition | Quenched and Tempered (Q&T) |
| Surface Finish | Hot Rolled, Pickled, Shot Blasted |
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Our Advantages in Processing ETD 150 Steel
Advanced Thermomechanical Processing
MetalZenith utilizes controlled rolling with precise temperature control followed by accelerated cooling to achieve optimal microstructure in ETD 150 steel. Our advanced processing technology ensures uniform grain refinement and enhanced mechanical properties, delivering superior strength and toughness for structural applications.
Comprehensive Structural Testing
Our ETD 150 steel undergoes extensive testing including weldability assessment, forming performance evaluation, fatigue strength testing, and atmospheric corrosion resistance analysis. MetalZenith's quality assurance program ensures optimal performance in structural applications with verified long-term durability.
Custom Structural Solutions
MetalZenith provides comprehensive customization services for ETD 150 steel including precision cutting, forming, heat treatment optimization, and surface preparation. Our technical support team works closely with structural engineers to deliver tailored solutions for specific construction and engineering requirements.
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